| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.37 | 0.17 |
| Feb | 0.55 | 0.42 | 0.13 |
| Mar | 1.16 | 0.98 | 0.18 |
| Apr | 1.92 | 1.59 | 0.33 |
| May | 2.33 | 2.20 | 0.13 |
| Jun | 1.99 | 2.17 | -0.18 |
| Jul | 3.26 | 2.69 | 0.57 |
| Aug | 2.75 | 3.26 | -0.51 |
| Sep | 1.41 | 1.56 | -0.15 |
| Oct | 0.94 | 0.77 | 0.17 |
| Nov | 0.63 | 0.54 | 0.09 |
| Dec | 0.47 | 0.38 | 0.09 |
17.95 | 16.93 | 1.02 |